1girl, blue archive, blue buruma, blue eyes, blue hair, blue sky, buruma, cellphone, closed mouth, cloud, cloudy sky, deitaku, full body, halo, hand on hip, holding, holding phone, jacket, long sleeves, looking at viewer, official alternate costume, open clothes, open jacket, outdoors, phone, shoes, short twintails, sky, sleeves past wrists, smartphone, solo, standing, track jacket, twintails, yuuka (blue archive), yuuka (gym uniform) (blue archive)